CVE-2021-34382

Trusty TLK contains a vulnerability in the NVIDIA TLK kernel’s tz_map_shared_mem function where an integer overflow on the size parameter causes the request buffer and the logging buffer to overflow, allowing writes to arbitrary addresses within the kernel.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://nvidia.custhelp.com/app/answers/detail/a_id/5205	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:nvidia:jetson_linux:*:*:*:*:*:*:*:*

cpe:2.3:h:nvidia:jetson_tx1:-:*:*:*:*:*:*:*

History

07 Nov 2023, 03:35

Type	Values Removed	Values Added
Summary	Trusty TLK contains a vulnerability in the NVIDIA TLK kernelâ€™s tz_map_shared_mem function where an integer overflow on the size parameter causes the request buffer and the logging buffer to overflow, allowing writes to arbitrary addresses within the kernel.	Trusty TLK contains a vulnerability in the NVIDIA TLK kernel’s tz_map_shared_mem function where an integer overflow on the size parameter causes the request buffer and the logging buffer to overflow, allowing writes to arbitrary addresses within the kernel.

06 Jul 2021, 15:29

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.6 v3 : 7.8
CPE		cpe:2.3:o:nvidia:jetson_linux:::::::: cpe:2.3:h:nvidia:jetson_tx1:-:::::::*
CWE		CWE-190
References	~~(CONFIRM) https://nvidia.custhelp.com/app/answers/detail/a_id/5205 -~~	(CONFIRM) https://nvidia.custhelp.com/app/answers/detail/a_id/5205 - Vendor Advisory

30 Jun 2021, 11:55

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-06-30 11:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-34382

Mitre link : CVE-2021-34382

CVE.ORG link : CVE-2021-34382

JSON object : View

Products Affected

nvidia

jetson_tx1
jetson_linux

CWE

CWE-190

Integer Overflow or Wraparound

{"id": "CVE-2021-34382", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "psirt@nvidia.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}]}, "published": "2021-06-30T11:15:08.740", "references": [{"url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5205", "tags": ["Vendor Advisory"], "source": "psirt@nvidia.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "Trusty TLK contains a vulnerability in the NVIDIA TLK kernel\u2019s tz_map_shared_mem function where an integer overflow on the size parameter causes the request buffer and the logging buffer to overflow, allowing writes to arbitrary addresses within the kernel."}, {"lang": "es", "value": "Trusty TLK contiene una vulnerabilidad en la funci\u00f3n tz_map_shared_mem del kernel de NVIDIA TLK en la que un desbordamiento de enteros en el par\u00e1metro size causa que el b\u00fafer de petici\u00f3n y b\u00fafer del registro se desborden, permitiendo escribir en direcciones arbitrarias dentro del kernel"}], "lastModified": "2023-11-07T03:35:58.707", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:nvidia:jetson_linux:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E8941F71-0292-414E-AEA5-DD55EA3C2009", "versionEndExcluding": "32.5.1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:nvidia:jetson_tx1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "86D1FDAD-C594-43D9-9BF6-F7461177AB91"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "psirt@nvidia.com"}